Flowers are shown at a growing memorial at 33rd Avenue NE and NE 75th Street on Tuesday, March 26, 2013 in Seattle. Two people were killed when hit by a truck the day before. A mother and her ten day-old infant were also critically injured when the truck struck the family. The driver was arrested for suspicion of DUI. (Joshua Trujillo, seattlepi.com) less

Flowers are shown at a growing memorial at 33rd Avenue NE and NE 75th Street on Tuesday, March 26, 2013 in Seattle. Two people were killed when hit by a truck the day before. A mother and her ten day-old infant ... more

Flowers are shown at a growing memorial at 33rd Avenue NE and NE... Photo-4380499.59090 - seattlepi.com

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The man suspected of killing two pedestrians and sending two others to Harborview Medical Center with critical injuries - a 33-year-old woman and an infant - was arrested Monday evening after being evaluated by Officer Eric Michl of the DUI Squad. The suspect has not been charged in the case. (Jon Humbert/KOMO/4) less

The man suspected of killing two pedestrians and sending two others to Harborview Medical Center with critical injuries - a 33-year-old woman and an infant - was arrested Monday evening after being evaluated by ... more

The man suspected of killing two pedestrians and sending two others... Photo-4377014.59090 - seattlepi.com

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Police respond to the scene of a North Seattle car-pedestrian collision on Monday, March 25, 2013, near Nathan Eckstein Middle School in Seattle. (Jordan Stead, seattlepi.com)

Police respond to the scene of a North Seattle car-pedestrian collision on Monday, March 25, 2013, near Nathan Eckstein Middle School in Seattle. (Jordan Stead, seattlepi.com)

Police respond to the scene of a North Seattle car-pedestrian... Photo-4377016.59090 - seattlepi.com

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The driver suspected of killing two pedestrians and injuring two others is led away by police. He was arrested shortly after 5 p.m. (Jordan Stead, seattlepi.com)

The driver suspected of killing two pedestrians and injuring two others is led away by police. He was arrested shortly after 5 p.m. (Jordan Stead, seattlepi.com)

The driver suspected of killing two pedestrians and injuring two... Photo-4377018.59090 - seattlepi.com

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Taboola Gallery Frame Item-85307.59090 - seattlepi.com

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Police respond to the scene of a North Seattle car-pedestrian collision on Monday, March 25, 2013, near Nathan Eckstein Middle School in Seattle. There were four victims, including a 33-year-old woman and an infant who were rushed to Harborview Medical Center. Two other victims died on the scene. (Jordan Stead, seattlepi.com) less

Police respond to the scene of a North Seattle car-pedestrian collision on Monday, March 25, 2013, near Nathan Eckstein Middle School in Seattle. There were four victims, including a 33-year-old woman and an ... more

Police respond to the scene of a North Seattle car-pedestrian... Photo-4377017.59090 - seattlepi.com

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The scene is shown after a man suspected of DUI hit a family on 75th Avenue NE on Monday, March 26, 2013 in Seattle, killing two and critically injuring a woman and 10 day-old infant. (Joshua Trujillo, seattlepi.com) less

The scene is shown after a man suspected of DUI hit a family on 75th Avenue NE on Monday, March 26, 2013 in Seattle, killing two and critically injuring a woman and 10 day-old infant. (Joshua Trujillo, ... more

The scene is shown after a man suspected of DUI hit a family on... Photo-4379639.59090 - seattlepi.com

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The man suspected of killing two people and critically injuring a weeks-old infant and woman is put into a patrol car by Officer Eric Michl of the DUI Squad. The suspect was arrested, but has not been charged. (Jon Humbert/KOMO/4) less

The man suspected of killing two people and critically injuring a weeks-old infant and woman is put into a patrol car by Officer Eric Michl of the DUI Squad. The suspect was arrested, but has not been charged. ... more

The man suspected of killing two people and critically injuring a... Photo-4377019.59090 - seattlepi.com

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Police lead the suspected driver, right, from the scene of a North Seattle car-pedestrian collision that killed two people and injured two others, including a weeks-old infant. (Jordan Stead, seattlepi.com)

Police lead the suspected driver, right, from the scene of a North Seattle car-pedestrian collision that killed two people and injured two others, including a weeks-old infant. (Jordan Stead, seattlepi.com)

Police lead the suspected driver, right, from the scene of a North... Photo-4377015.59090 - seattlepi.com

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Taboola Gallery Frame Item-85307.59090 - seattlepi.com

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A boy makes a phone call near the scene of a North Seattle car-pedestrian collision on Monday, March 25, 2013, near Nathan Eckstein Middle School in Seattle. There were four victims, including a 33-year-old woman and an infant who were rushed to Harborview Medical Center. Two other victims were pronounced dead on the scene. (Jordan Stead, seattlepi.com) less

A boy makes a phone call near the scene of a North Seattle car-pedestrian collision on Monday, March 25, 2013, near Nathan Eckstein Middle School in Seattle. There were four victims, including a 33-year-old ... more

A boy makes a phone call near the scene of a North Seattle... Photo-4377021.59090 - seattlepi.com